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280-990
Data Sheet
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Wago 280-990 Data Sheet

Data sheet | Item number:280-990
4-conductor through terminal block; 2.5 mm²; suitable for Ex e II applications; lateral marker slots; for DIN-rail 35 x 15 and 35 x 7.5; CAGE CLAMP®

Item description

Note: Terminating Aluminum Conductors
WAGO spring clamp terminal blocks are suitable for solid aluminum conductors up to 4mm²/12AWG if WAGO “Alu-Plus” Contact Paste is used for termination.
“Alu-Plus” Contact Paste Advantages:
Automatically destroys the oxide film during clamping.
Prevents fresh oxidation at the clamping point.
Prevents electrolytic corrosion between aluminum and copper conductors (in the same terminal block).
Provides long-term protection against corrosion.
Using terminal blocks with CAGE CLAMP® Spring Pressure Connection Technology, and aluminum conductors must first be cleaned with a blade then immediately be inserted into the clamping units filled with “Alu-Plus” Contact Paste.
It is also possible to apply WAGO “Alu-Plus” on the whole surface of the aluminum conductor before termination.additionally
Please note that the nominal currents must be adapted to the reduced conductivity of the aluminum conductors:
2.5mm² (14 AWG) = 16 A 4mm² (12 AWG) = 22 A

Data

Electrical data

Rated voltage EN (Ex e II) 550 V
280-990
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Data sheet | Item number:280-990

Ratings per IEC/EN 60664-1

Rated current 22 A

Connection data

Connection technology
CAGE CLAMP
®
Actuation type Operating tool
Connectable conductor materials Copper
Aluminum
Solid conductor 0.08 … 2.5mm²/ 28 … 12AWG
Fine-stranded conductor 0.08 … 2.5mm²/ 28 … 12AWG
Strip length 8 … 9mm/ 0.31 … 0.35inch
Note (conductor cross-section) 12 AWG: THHN, THWN
Total number of connection points 4
Total number of potentials 1
Number of levels 1
Type of wiring Front-entry wiring

Geometrical Data

Width 5mm/ 0.197inch
Height from upper-edge of DIN-35 rail 28mm/ 1.102inch
Depth 73mm/ 2.874inch

Mechanical data

Design horizontal
Type of mounting DIN-35 rail
Marking level Side marking

Material Data

Color light gray
Insulating material Polyamide 66 (PA 66)
Fire load 0.133 MJ
Weight 8.316g

Commercial data

Product Group 1 (Rail Mounted Terminal Blocks)
Country of origin DE
GTIN 4044918391450
Customs Tariff No. 85369010000
280-990
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Data sheet | Item number:280-990
Approvals / Certificates
Ex-Approvals
Logo Approval Additional Approval Text
Certificate name
AEx
UL International Germany GmbH c/o Physikalisch Technische Bundesanstalt
UL 60079 E185892
sec.1
ATEx
Physikalisch Technische Bundesanstalt (PTB)
EN 60079 PTB 99
ATEX 3109 U
Country specific Approvals
Logo Approval Additional Approval Text
Certificate name
CCA
DEKRA Certification B.V.
EN 60947 2157201.01
CSA
DEKRA Certification B.V.
C22.2 1536071
Ship Approvals
Logo Approval Additional Approval Text
Certificate name
ABS
American Bureau of Shipping
EN 60947 14-
HG1293677­PDA
BV
Bureau Veritas S.A.
EN 60947 07436/E0 BV
DNV GL
Det Norske Veritas, Germanischer Lloyd
- TAE00001V2
LR
Lloyds Register
EN 60947 91/20112
(E9)
UL-Approvals
Logo Approval Additional Approval Text
Certificate name
280-990
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Data sheet | Item number:280-990
Logo Approval Additional Approval Text name
UL
Underwriters Laboratories Inc.
UL 1059 20170731-
E45172

Compatible products

General accessories
Item no.: 231-162/003-000
Male connector for rail-mount terminal blocks; 1.2 x 1.2 mm pins; straight; Pin spacing 5 mm; 2-pole
231-162
/003-000
Item no.: 231-163/003-000
Male connector for rail-mount terminal blocks; 1.2 x 1.2 mm pins; straight; Pin spacing 5 mm; 3-pole
231-163
/003-000
Item no.: 231-164/003-000
Male connector for rail-mount terminal blocks; 1.2 x 1.2 mm pins; straight; Pin spacing 5 mm; 4-pole
231-164
/003-000
Item no.: 231-165/003-000
Male connector for rail-mount terminal blocks; 1.2 x 1.2 mm pins; straight; Pin spacing 5 mm; 5-pole
231-165
/003-000
Item no.: 231-166/003-000
Male connector for rail-mount terminal blocks; 1.2 x 1.2 mm pins; straight; Pin spacing 5 mm; 6-pole
231-166
/003-000
Item no.: 231-167/003-000
Male connector for rail-mount terminal blocks; 1.2 x 1.2 mm pins; straight; Pin spacing 5 mm; 7-pole
231-167
/003-000
Item no.: 231-168/003-000
Male connector for rail-mount terminal blocks; 1.2 x 1.2 mm pins; straight; Pin spacing 5 mm; 8-pole
231-168
/003-000
Item no.: 231-169/003-000
Male connector for rail-mount terminal blocks; 1.2 x 1.2 mm pins; straight; Pin spacing 5 mm; 9-pole
231-169
/003-000
Item no.: 231-170/003-000
Male connector for rail-mount terminal blocks; 1.2 x 1.2 mm pins; straight; Pin spacing 5 mm; 10-pole
231-170
/003-000
280-990
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Data sheet | Item number:280-990
Item no.: 231-171/003-000
Male connector for rail-mount terminal blocks; 1.2 x 1.2 mm pins; straight; Pin spacing 5 mm; 11-pole
231-171
/003-000
Item no.: 231-172/003-000
Male connector for rail-mount terminal blocks; 1.2 x 1.2 mm pins; straight; Pin spacing 5 mm; 12-pole
231-172
/003-000
Item no.: 231-176/003-000
Male connector for rail-mount terminal blocks; 1.2 x 1.2 mm pins; straight; Pin spacing 5 mm; 16-pole
231-176
/003-000
Item no.: 231-180/003-000
Male connector for rail-mount terminal blocks; 1.2 x 1.2 mm pins; straight; Pin spacing 5 mm; 20-pole
231-180
/003-000
Item no.: 231-668
Lockout caps; for covering unused clamping units
231-668
Item no.: 231-669
Lockout caps; for covering unused clamping units
231-669
Item no.: 249-105
Group marker carrier
249-105
Item no.: 721-162/003-000 Male connector for rail-mount terminal blocks; 1.2 x 1.2 mm pins; straight; 100% protected against mismating; Pin spacing 5 mm; 2-pole
721-162
/003-000
Item no.: 721-163/003-000 Male connector for rail-mount terminal blocks; 1.2 x 1.2 mm pins; straight; 100% protected against mismating; Pin spacing 5 mm; 3-pole
721-163
/003-000
Item no.: 721-164/003-000 Male connector for rail-mount terminal blocks; 1.2 x 1.2 mm pins; straight; 100% protected against mismating; Pin spacing 5 mm; 4-pole
721-164
/003-000
Item no.: 721-165/003-000 Male connector for rail-mount terminal blocks; 1.2 x 1.2 mm pins; straight; 100% protected against mismating; Pin spacing 5 mm; 5-pole
721-165
/003-000
Item no.: 721-166/003-000 Male connector for rail-mount terminal blocks; 1.2 x 1.2 mm pins; straight; 100% protected against mismating; Pin spacing 5 mm; 6-pole
721-166
/003-000
Item no.: 721-167/003-000 Male connector for rail-mount terminal blocks; 1.2 x 1.2 mm pins; straight; 100% protected against mismating; Pin spacing 5 mm; 7-pole
721-167
/003-000
Item no.: 721-168/003-000 Male connector for rail-mount terminal blocks; 1.2 x 1.2 mm pins; straight; 100% protected against mismating; Pin spacing 5 mm; 8-pole
721-168
/003-000
Item no.: 721-169/003-000 Male connector for rail-mount terminal blocks; 1.2 x 1.2 mm pins; straight; 100% protected against mismating; Pin spacing 5 mm; 9-pole
721-169
/003-000
Item no.: 721-170/003-000
280-990
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Data sheet | Item number:280-990
Male connector for rail-mount terminal blocks; 1.2 x 1.2 mm pins; straight; 100% protected against mismating; Pin spacing 5 mm; 10-pole
721-170
/003-000
Item no.: 721-171/003-000 Male connector for rail-mount terminal blocks; 1.2 x 1.2 mm pins; straight; 100% protected against mismating; Pin spacing 5 mm; 11-pole
721-171
/003-000
Item no.: 721-172/003-000 Male connector for rail-mount terminal blocks; 1.2 x 1.2 mm pins; straight; 100% protected against mismating; Pin spacing 5 mm; 12-pole
721-172
/003-000
Item no.: 721-173/003-000 Male connector for rail-mount terminal blocks; 1.2 x 1.2 mm pins; straight; 100% protected against mismating; Pin spacing 5 mm; 13-pole
721-173
/003-000
Item no.: 721-174/003-000 Male connector for rail-mount terminal blocks; 1.2 x 1.2 mm pins; straight; 100% protected against mismating; Pin spacing 5 mm; 14-pole
721-174
/003-000
Item no.: 721-175/003-000 Male connector for rail-mount terminal blocks; 1.2 x 1.2 mm pins; straight; 100% protected against mismating; Pin spacing 5 mm; 15-pole
721-175
/003-000
Item no.: 721-176/003-000 Male connector for rail-mount terminal blocks; 1.2 x 1.2 mm pins; straight; 100% protected against mismating; Pin spacing 5 mm; 16-pole
721-176
/003-000
Item no.: 721-180/003-000 Male connector for rail-mount terminal blocks; 1.2 x 1.2 mm pins; straight; 100% protected against mismating; Pin spacing 5 mm; 20-pole
721-180
/003-000
ferrule
Item no.: 216-101
Ferrule; Sleeve for 0.5 mm² / AWG 22; uninsulated; electro-tin plated
216-101
Item no.: 216-102
Ferrule; Sleeve for 0.75 mm² / AWG 20; uninsulated; electro-tin plated
216-102
Item no.: 216-103
Ferrule; Sleeve for 1 mm² / AWG 18; uninsulated; electro-tin plated
216-103
Item no.: 216-104
Ferrule; Sleeve for 1.5 mm² / AWG 16; uninsulated; electro-tin plated
216-104
Item no.: 216-201
Ferrule; Sleeve for 0.5 mm² / 20 AWG; insulated; electro-tin plated
216-201
Item no.: 216-202
Ferrule; Sleeve for 0.75 mm² / 18 AWG; insulated; electro-tin plated
216-202
Item no.: 216-203
Ferrule; Sleeve for 1 mm² / AWG 18; insulated; electro-tin plated
216-203
Item no.: 216-204
Ferrule; Sleeve for 1.5 mm² / AWG 16; insulated; electro-tin plated
216-204
Item no.: 216-301
216-301
280-990
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